25=21t^2

Solution for 25=21t^2 equation:

Simplifying
25 = 21t2

Solving
25 = 21t2

Solving for variable 't'.

Move all terms containing t to the left, all other terms to the right.

Add '-21t2' to each side of the equation.
25 + -21t2 = 21t2 + -21t2

Combine like terms: 21t2 + -21t2 = 0
25 + -21t2 = 0

Add '-25' to each side of the equation.
25 + -25 + -21t2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -21t2 = 0 + -25
-21t2 = 0 + -25

Combine like terms: 0 + -25 = -25
-21t2 = -25

Divide each side by '-21'.
t2 = 1.19047619

Simplifying
t2 = 1.19047619

Take the square root of each side:
t = {-1.091089451, 1.091089451}